Mhoromer AM 438 Hydroxypropyl acrylate 25584-83-2 Degussa-Röhm Acrylic Resins Coatings Comonomer in thermosetting paints. Hydrophylic polymers. Hydroxypropyl Acrylate (HPA) Thermally crosslinkable paint resins and emulsions, binders for textiles and paper, urethane acrylates, reactive thinners for curing by radiation, comonomers for refinishing paints. Adhesion promoter for polymers. Hydroxypropyl acrylate (HPA). Used in thermally crosslinkable paint resins and emulsions and as a comonomer for refinishing paints.